Finding the Third Proportional to 187,156 and 409,300

Step by Step Solution

1. Step 1: Write the proportion equation
   187,156 : 409,300 = 409,300 : x
2. Step 2: Convert to fraction form
   187,156/409,300 = 409,300/x
3. Step 3: Cross multiply
   187,156x = 409,300 × 409,300
4. Step 4: Simplify right side
   187,156x = 167,526,490,000
5. Step 5: Solve for x
   x = 167,526,490,000/187,156
6. Step 6: Final answer
   x = 895,116.85